UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YxUqZEIjnT2f8LR7nbbmNUSazYb6pFrBm0OUrHSkVZs=' 
WHERE 
  key_id = '4a1447d36584e7cacac782783c35d4dc725151cb95d3dc9264819629229fff7d' 
  AND (
    token = 'YxUqZEIjnT2f8LR7nbbmNUSazYb6pFrBm0OUrHSkVZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )